Examlex
Why was it difficult for astronomers to develop a clear understanding of the Milky Way until the last few decades?
XY
A chromosomal designation for male sex in many organisms, including humans, where males typically have one X and one Y chromosome.
SRY Gene
A sex-determining gene on the Y chromosome that triggers the development of male anatomical features.
Androgen Insensitivity Syndrome
A condition in which a person who is genetically male is resistant to male hormones (called androgens), leading to the development of female physical traits despite having a male genetic makeup.
Klinefelter Syndrome
A genetic condition affecting males, characterized by an additional X chromosome, which can lead to developmental differences and infertility.
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